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1  // Copyright 2020 The Tint Authors.
2  //
3  // Licensed under the Apache License, Version 2.0 (the "License");
4  // you may not use this file except in compliance with the License.
5  // You may obtain a copy of the License at
6  //
7  //     http://www.apache.org/licenses/LICENSE-2.0
8  //
9  // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  #ifndef SRC_AST_ASSIGNMENT_STATEMENT_H_
16  #define SRC_AST_ASSIGNMENT_STATEMENT_H_
17  
18  #include "src/ast/expression.h"
19  #include "src/ast/statement.h"
20  
21  namespace tint {
22  namespace ast {
23  
24  /// An assignment statement
25  class AssignmentStatement : public Castable<AssignmentStatement, Statement> {
26   public:
27    /// Constructor
28    /// @param program_id the identifier of the program that owns this node
29    /// @param source the assignment statement source
30    /// @param lhs the left side of the expression
31    /// @param rhs the right side of the expression
32    AssignmentStatement(ProgramID program_id,
33                        const Source& source,
34                        const Expression* lhs,
35                        const Expression* rhs);
36    /// Move constructor
37    AssignmentStatement(AssignmentStatement&&);
38    ~AssignmentStatement() override;
39  
40    /// Clones this node and all transitive child nodes using the `CloneContext`
41    /// `ctx`.
42    /// @param ctx the clone context
43    /// @return the newly cloned node
44    const AssignmentStatement* Clone(CloneContext* ctx) const override;
45  
46    /// left side expression
47    const Expression* const lhs;
48  
49    /// right side expression
50    const Expression* const rhs;
51  };
52  
53  }  // namespace ast
54  }  // namespace tint
55  
56  #endif  // SRC_AST_ASSIGNMENT_STATEMENT_H_
57